/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/NiagaraSystemViewModel.h
Adds a new emitter to the System from an emitter asset data.
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FNiagaraEmitterHandleViewModel](API\Plugins\NiagaraEditor\ViewModels\FNiagaraEmitterHandleViewModel) > AddEmitterFromAssetData ( const [FAssetData](API\Runtime\CoreUObject\AssetRegistry\FAssetData) & AssetData )